Product Information Series W84/W99/W50 Ball Valves For Steam Services Steam & Thermal Fluids Valve to be welded in line without Disassembly Steam up to 500 Working Steam Pressure Thermal Fluids to 600 F Click Here for a downloadable and/or printable version of this page. Features | Performance Data | How To Order | CAD Drawings Features Encapsulated Graphoil seals allow valve ends to be welded in line without disassembly saving costly labor time, and also prevent seal ruptures in high pressure or steam applications. Extended stem with lever or oval handles are designed to rise above pipe insulation. Gear operator for slow opening designed for applications where steam hammer is a concern. Pressure / Temperature ratings for flanged valves are limited to Class ratings. Steam service valves are fitted with red-sleeved handles. Live loaded stem packing provides long life between packing adjustments and compensates for thermal cycling. back to top Performance Data Steam Service Seat Body Seal Stem Seal * Pressure up to 150 psi R (Reinforced Teflon®) Teflon® Nova and PEEK * Pressure up to 450 psi N (Nova) G (Graphoil) PEEK and Graphoil * Pressure up to 500 psi P (PEEK) G (Graphoil) PEEK and Graphoil back to top How To Order How To Order 3 Piece - W84 Standard Port - W99 Full Port Valve Size Valve Series Body & Ends Ball & Stem Seat Seal Ends 1/4" 3/8" 1/2" 3/4" 1" 1-1/2" 2" 2-1/2" 3" 4"** W84 W99 4 = Carbon Steel 6 = Stainless Steel 2 = Alloy 6 = Stainless Steel 2 = Alloy N = Nova P = PEEK® G = Graphoil TE = Threaded Ends (NPT) TEB = Threaded Ends (BSPT) BW = Butt Weld Sch. 5, 10, 40 & 80 SW = Socket Weld How To Order Flanged Valves W50 Valve Size Valve Series Class Body Ball & Stem Seats Seals 1/2" 3/4" 1" 1-1/2" 2" 2-1/2" 3" 4" Consult Factory for larger sizes. W50 11 = 150# 33 = 300# 4 = Carbon Steel 6 = Stainless Steel 2 = Alloy 20 6 = Stainless Steel 2 = Alloy 20 N = Nova P = PEEK® G = Graphoil        * Reinforced Teflon® Seat combined with Teflon® Seal are not part of Series W. back to top Sharpe® Valves Chicago - Headquarters (877) 774-2773 / (708) 562-9221 / Fax (708) 562-0890 E-mail info@sharpevalves.com